DEXTER Season 4 Family Picture August 10, 2009 Dexter, News Check out this really awesome family picture in promotion of season 4 of DEXTER, which premieres on Showtime September 27 at 9pm. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)